In file included from Hydrolab2013v3Web.ino:26:C:\ARDUINO\arduino-1.0.3\libraries\HttpClient/HttpClient.h: In member function 'virtual uint8_t HttpClient::connected()':C:\ARDUINO\arduino-1.0.3\libraries\HttpClient/HttpClient.h:373: warning: no return statement in function returning non-voidIn file included from C:\ARDUINO\arduino-1.0.3\libraries\cosm/Cosm.h:2, from Hydrolab2013v3Web.ino:27:C:\ARDUINO\arduino-1.0.3\libraries\cosm/CosmDatastream.h: In member function 'char CosmDatastream::idChar(int)':C:\ARDUINO\arduino-1.0.3\libraries\cosm/CosmDatastream.h:36: warning: comparison between signed and unsigned integer expressionsHydrolab2013v3Web.ino: In function 'void EnvoieCosm()':Hydrolab2013v3Web.ino:219: warning: unused variable 'ret'Hydrolab2013v3Web.ino: In function 'void PilotActionneurs()':Hydrolab2013v3Web.ino:317: warning: comparison between signed and unsigned integer expressions